flutter

noun

1. the act of moving back and forth

Synonym: waverflicker

2. the motion made by flapping up and down

Synonym: flapflappingfluttering

3. a disorderly outburst or tumult

e.g. they were amazed by the furious disturbance they had caused

Synonym: disturbancedisruptioncommotionhurly burlyto-dohoo-hahoo-hahkerfuffle

4. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm)
can result in heart block

verb

1. wink briefly

e.g. bat one's eyelids

Synonym: bat

2. move back and forth very rapidly

e.g. the candle flickered

Synonym: flickerwaverflitterquiver

3. beat rapidly

e.g. His heart palpitated

Synonym: palpitate

4. move along rapidly and lightly
skim or dart

e.g. The hummingbird flitted among the branches

Synonym: flitfleetdart

5. flap the wings rapidly or fly with flapping movements

e.g. The seagulls fluttered overhead

1. 颤动;飘动;挥动
If something thin or light flutters, or if you flutter it, it moves up and down or from side to side with a lot of quick, light movements.

e.g. Her chiffon skirt was fluttering in the night breeze.
她的雪纺裙在晚风中飘动着。
e.g. ...a butterfly fluttering its wings.
挥动着翅膀的蝴蝶

2. (小鸟)振翅飞翔;(纸片)飘飞，翩翩飞舞
If something light such as a small bird or a piece of paper flutters somewhere, it moves through the air with small quick movements.

e.g. The paper fluttered to the floor...
纸飘落到地板上。
e.g. The birds were active, whirring and fluttering among the trees.
鸟儿们很活跃，在树林中呼呼地飞来飞去。

3. 小赌注
If you have a flutter, you have a small bet on something such as a horse race.

e.g. I had a flutter on five horses.
我在5匹马身上下了小赌注。

4. 匆忙急赶;奔走
If you say that someone flutters somewhere, you mean that they walk there with quick, light movements, often in a silly way or in a way which suggests that they are nervous.

e.g. She'd been fluttering about in the kitchen.
她一直在厨房里忙前忙后。

5. (心)扑通扑通地跳，怦怦直跳
If your heart or stomach flutters, you experience a strong feeling of excitement or anxiety.

e.g. The look in his eyes made my heart flutter.
他的眼神让我心里扑通扑通直跳。

1. 颤振：这些动力学环境主要是由如下原因引起的:运输、搬运、火箭运载器级间分离,整流罩及有效载荷分离的爆脱冲击(Pyroshock由火箭发动机推进系统及其喷气噪声(起飞),上升段最大动压头及再入大气层引起的瞬态和稳态振动、气动噪声、颤振(Flutter)、跷振(Pogo)

2.

2. 一种放音失真,脉冲干扰,颤动：Flute 长笛 | Flutter 一种放音失真,脉冲干扰,颤动 | FLW follow 跟踪,随动

3. 扑动：flushing 冲洗 | flutter 扑动 | flux cored arc welding 管状焊条电弧焊

4. 高频抖动：flush-right 右边排齐 | flutter 高频抖动 | flutter echo 颤动回波,多次回声